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Designed for high-efficiency dual-stage furnaces
The unit is rated for a maximum pressure of 30 psig
polytubing and standard barbed fittings
the 'C' suffix often denotes bulk packaging or specific distribution channels but does not affect performance or compatibility
Lennox 12S77 Heater 320734-701 Designed for high-efficiency dual-stage furnacesThe Lennox 12S77 (Model ECB25 12. 5CB 9) is a high performance 12. 5KW electric heater kit specifically engineered for seamless integration with CBX25UH and CBX25UHV series air handlers. This auxiliary heat section provides reliable supplemental or emergency heating, ensuring system setpoints are maintained during extreme ambient drops. Designed for three phase power applications, the unit operates across a versatile voltage range of 208V to 230 460V,
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